Create data_integration_with_blockchain.js

data_integration_layer/data_integration_with_blockchain.js

@@ -0,0 +1,50 @@
+import React, { useState, useEffect } from 'eact';
+import axios from 'axios';
+import Web3 from 'web3';
+
+function DataIntegrationLayer() {
+  const [data, setData] = useState({});
+
+  useEffect(() => {
+    axios.get('https://api.example.com/data')
+    .then(response => {
+        setData(response.data);
+      })
+    .catch(error => {
+        console.error(error);
+      });
+  }, []);
+
+  const blockchain = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/v3/YOUR_PROJECT_ID'));
+
+  const contract = new blockchain.eth.Contract(YOUR_CONTRACT_ABI, YOUR_CONTRACT_ADDRESS);
+
+  const sendDataToBlockchain = async () => {
+    try {
+      const txCount = await blockchain.eth.getTransactionCount();
+      const tx = {
+        from: YOUR_WALLET_ADDRESS,
+        to: YOUR_CONTRACT_ADDRESS,
+        value: '0',
+        gas: '20000',
+        gasPrice: '20',
+        data: contract.methods.sendData(data).encodeABI(),
+      };
+      const signedTx = await blockchain.eth.accounts.signTransaction(tx, YOUR_WALLET_PRIVATE_KEY);
+      const receipt = await blockchain.eth.sendSignedTransaction(signedTx.rawTransaction);
+      console.log(`Transaction receipt: ${receipt.transactionHash}`);
+    } catch (error) {
+      console.error(error);
+    }
+  };
+
+  return (
+    <div>
+      <h1>Data Integration Layer</h1>
+      <p>Data: {JSON.stringify(data)}</p>
+      <button onClick={sendDataToBlockchain}>Send data to blockchain</button>
+    </div>
+  );
+}
+
+export default DataIntegrationLayer;